{"id":23470,"date":"2026-08-25T09:57:25","date_gmt":"2026-08-25T09:57:25","guid":{"rendered":"https:\/\/lead-pcb.com\/?p=23470"},"modified":"2026-10-21T08:20:28","modified_gmt":"2026-10-21T08:20:28","slug":"10k-resistor","status":"publish","type":"post","link":"https:\/\/lead-pcb.com\/ja\/blog\/10k-resistor\/","title":{"rendered":"10k\u03a9\u62b5\u6297\u5668\uff1a\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3001\u7528\u9014\u3001\u9069\u5207\u306a\u9078\u3073\u65b9"},"content":{"rendered":"<p class=\"wp-block-paragraph\">A <strong>10k\u03a9\u62b5\u6297\u5668<\/strong> \u306f\u3001\u516c\u79f0\u62b5\u6297\u5024\u304c10,000\u30aa\u30fc\u30e0\uff0810k\u03a9\uff09\u306e\u53d7\u52d5\u96fb\u6c17\u90e8\u54c1\u3067\u3059\u3002\u73fe\u4ee3\u306e\u56de\u8def\u8a2d\u8a08\u3067\u306f\u3001\u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u3067\u3082\u91cf\u7523\u7528PCB\u3067\u3082\u3001\u6700\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u62b5\u6297\u5024\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a8\u30f3\u30b8\u30cb\u30a2\u3084\u611b\u597d\u5bb6\u304c10k\u03a9\u62b5\u6297\u5668\u3092\u9078\u3076\u306e\u306f\u3001\u96fb\u6c17\u7684\u306b\u7406\u60f3\u7684\u306a\u4e2d\u9593\u70b9\u306b\u3042\u308b\u305f\u3081\u3067\u3059\u3002\u904e\u5270\u306a\u30d0\u30c3\u30c6\u30ea\u30fc\u6d88\u8017\u3092\u62db\u304f\u3053\u3068\u306a\u304f\u3001\u96fb\u6d41\u3092\u5b89\u5168\u306a\u30de\u30a4\u30af\u30ed\u30a2\u30f3\u30da\u30a2\u304b\u3089\u30df\u30ea\u30a2\u30f3\u30da\u30a2\u306e\u7bc4\u56f2\u306b\u5236\u9650\u3067\u304d\u308b\u4e00\u65b9\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u5341\u5206\u306b\u4f4e\u3044\u305f\u3081\u3001\u611f\u5ea6\u306e\u9ad8\u3044\u30c7\u30b8\u30bf\u30eb\u5165\u529b\u304c\u5468\u56f2\u306e\u96fb\u6c17\u30ce\u30a4\u30ba\u3092\u62fe\u3046\u306e\u3092\u9632\u3052\u307e\u3059\u3002Arduino\u306e\u8a66\u4f5c\u56de\u8def\u306e\u88fd\u4f5c\u3001\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u8a2d\u5b9a\u3001\u591a\u5c64\u57fa\u677f\u306e\u8a2d\u8a08\u306a\u3069\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u8b58\u5225\u65b9\u6cd5\u3001\u4e00\u822c\u7684\u306a\u56de\u8def\u3067\u306e\u7528\u9014\u3001\u6545\u969c\u30e2\u30fc\u30c9\u3001\u305d\u3057\u3066\u90e8\u54c1\u3092\u76f4\u63a5\u9078\u5b9a\u3059\u308b\u305f\u3081\u306e\u57fa\u6e96\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u3068\u306f\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u62b5\u6297\u5668\u306f\u96fb\u8377\u306e\u6d41\u308c\u3092\u59a8\u3052\u3001\u6b21\u306e\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u308b\u6bd4\u4f8b\u3057\u305f\u96fb\u5727\u964d\u4e0b\u3092\u751f\u3058\u3055\u305b\u307e\u3059\u3002 <strong>\u30aa\u30fc\u30e0\u306e\u6cd5\u5247<\/strong>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>  V = I \u00d7 R<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u3067\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>v<\/em> \u306f\u96fb\u5727\uff08\u30dc\u30eb\u30c8\u3001V\uff09<\/li>\n\n\n\n<li><em>\u79c1<\/em> \u306f\u96fb\u6d41\uff08\u30a2\u30f3\u30da\u30a2\u3001A\uff09<\/li>\n\n\n\n<li><em>r<\/em> \u306f\u62b5\u6297\uff08\u30aa\u30fc\u30e0\u3001\u03a9\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e1\u30fc\u30c8\u30eb\u6cd5\u306e\u63a5\u982d\u8a9e <strong>k<\/strong> \u306f\u300c\u30ad\u30ed\u300d\u3092\u8868\u3057\u30011,000\u500d\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u300110k\u03a9\u62b5\u6297\u5668\u306f\u6b21\u306e\u5024\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10k\u03a9 = 10 \u00d7 10\u00b3\u03a9= 10,000\u03a9<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"546\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/10\/10-k-ohm-resistor.webp\" alt=\"10 k ohm resistor\" class=\"wp-image-24213\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/10\/10-k-ohm-resistor.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/10\/10-k-ohm-resistor-300x164.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/10\/10-k-ohm-resistor-768x419.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/10\/10-k-ohm-resistor-18x10.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u96fb\u6d41\u3068\u96fb\u529b\u640d\u5931\u306e\u4f8b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">10k\u03a9\u62b5\u6297\u5668\u3092\u5b89\u5b9a\u3057\u305f5 V DC\u96fb\u6e90\u30ec\u30fc\u30eb\u306b\u76f4\u63a5\u63a5\u7d9a\u3059\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u96fb\u6d41\uff08<em>\u79c1<\/em>):<\/strong><br>I = V \/ R = 5 V \/ 10,000 \u03a9 = 0.0005 A = 0.5 mA<\/li>\n\n\n\n<li><strong>\u6d88\u8cbb\u96fb\u529b\uff08<em>P<\/em>):<\/strong><br>P = V \u00d7 I = 5 V \u00d7 0.0005 A = 0.0025 W = 2.5 mW<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2.5 mW\u3067\u306e\u52d5\u4f5c\u306f\u3001\u6a19\u6e96\u7684\u306a1\/8 W\uff08125 mW\uff09\u307e\u305f\u306f1\/4 W\uff08250 mW\uff09\u306e\u30ea\u30fc\u30c9\u4ed8\u304d\u62b5\u6297\u5668\u3084\u3001\u5c0f\u578b\u306e0402\u307e\u305f\u306f0603\u8868\u9762\u5b9f\u88c5\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5b9a\u683c\u7bc4\u56f2\u5185\u306b\u5341\u5206\u53ce\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u56fa\u5b9a\u62b5\u6297\u5668\u3068\u540c\u69d8\u306b\u300110k\u03a9\u62b5\u6297\u5668\u306f <strong>\u7121\u6975\u6027<\/strong>\u3067\u3059\u3002\u6b63\u8ca0\u306e\u5411\u304d\u306f\u306a\u304f\u3001\u7aef\u5b50\u9593\u3092\u96fb\u6d41\u304c\u3069\u3061\u3089\u5411\u304d\u306b\u6d41\u308c\u3066\u3082\u540c\u3058\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u306e\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u3068SMD\u8868\u8a18<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ea\u30fc\u30c9\u4ed8\u304d\u62b5\u6297\u5668\u3067\u306f\u3001\u5186\u7b52\u5f62\u306e\u672c\u4f53\u306b\u5370\u5237\u3055\u308c\u305f\u8272\u5e2f\u3067\u516c\u79f0\u62b5\u6297\u5024\u3068\u88fd\u9020\u516c\u5dee\u3092\u793a\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u8868\u9762\u5b9f\u88c5\uff08SMD\uff09\u90e8\u54c1\u3067\u306f\u3001\u30bb\u30e9\u30df\u30c3\u30af\u30b1\u30fc\u30b9\u306b\u523b\u5370\u3055\u308c\u305f\u6570\u5b57\u30b3\u30fc\u30c9\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4\u672c\u5e2f\u306e10k\u03a9\u62b5\u6297\u5668\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">4\u672c\u5e2f\u65b9\u5f0f\u306f\u3001\u6c4e\u7528\u30ea\u30fc\u30c9\u4ed8\u304d\u62b5\u6297\u5668\uff08\u901a\u5e38\u306f\u516c\u5dee\u00b1 5%\u306e\u70ad\u7d20\u76ae\u819c\u62b5\u6297\u5668\uff09\u3067\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u5e2f\u306e\u4f4d\u7f6e<\/strong><\/td><td><strong>\u8272<\/strong><\/td><td><strong>\u5024\uff0f\u500d\u7387<\/strong><\/td><td><strong>\u610f\u5473<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u7b2c1\u5e2f<\/strong> \uff08\u7b2c1\u6570\u5b57\uff09<\/td><td><strong>\u8336\u8272<\/strong><\/td><td>1<\/td><td>\u6700\u521d\u306e\u6709\u52b9\u6570\u5b57<\/td><\/tr><tr><td><strong>\u7b2c2\u5e2f<\/strong> \uff08\u7b2c2\u6570\u5b57\uff09<\/td><td><strong>\u9ed2\u8272<\/strong><\/td><td>0<\/td><td>2\u756a\u76ee\u306e\u6709\u52b9\u6570\u5b57<\/td><\/tr><tr><td><strong>\u7b2c3\u5e2f<\/strong> \uff08\u4e57\u6570\uff09<\/td><td><strong>\u30aa\u30ec\u30f3\u30b8<\/strong><\/td><td>10\u00b3\uff081,000\uff09<\/td><td>\u57fa\u6e96\u6841\u306b1,000\u3092\u639b\u3051\u308b<\/td><\/tr><tr><td><strong>\u7b2c4\u5e2f<\/strong> \uff08\u8a31\u5bb9\u5dee\uff09<\/td><td><strong>\u91d1<\/strong><\/td><td>\u00b15%<\/td><td>\u88fd\u9020\u8aa4\u5dee\u306e\u7bc4\u56f2<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8a08\u7b97\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10 \u00d7 10\u00b3 \u03a9 = 10,000\u03a9\u3001\u8a31\u5bb9\u5dee\u00b15%\u306e\u7bc4\u56f2\uff089,500 \u03a9\uff5e10,500 \u03a9\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5\u5e2f\u7cbe\u5bc610k\u03a9\u62b5\u6297\u5668\u306e\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cbe\u5bc6\u91d1\u5c5e\u76ae\u819c\u62b5\u6297\u5668\uff08\u8a31\u5bb9\u5dee\u00b11%\u4ee5\u4e0b\uff09\u306f\u3001\u88fd\u9020\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u6709\u52b9\u6570\u5b57\u30923\u6841\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7b2c1\u5e2f\uff08\u7b2c1\u6841\uff09\uff1a<\/strong> \u8336\uff081\uff09<\/li>\n\n\n\n<li><strong>\u7b2c2\u5e2f\uff08\u7b2c2\u6841\uff09\uff1a<\/strong> \u9ed2\uff080\uff09<\/li>\n\n\n\n<li><strong>\u7b2c3\u5e2f\uff08\u7b2c3\u6841\uff09\uff1a<\/strong> \u9ed2\uff080\uff09<\/li>\n\n\n\n<li><strong>\u7b2c4\u5e2f\uff08\u4e57\u6570\uff09\uff1a<\/strong> \u8d64\uff08\u00d7 10\u00b2 \u307e\u305f\u306f 100\uff09<\/li>\n\n\n\n<li><strong>\u7b2c5\u5e2f\uff08\u8a31\u5bb9\u5dee\uff09\uff1a<\/strong> \u8336\uff08\u00b11%\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8a08\u7b97\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">100 \u00d7 10\u00b2 \u03a9 = 10,000 \u03a9\u3001\u8a31\u5bb9\u5dee\u00b11%\u306e\u7bc4\u56f2\uff089,900 \u03a9\uff5e10,100\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a08\u7b97\u307e\u305f\u306f\u9006\u7b97\u306b\u306f\u3001 <a href=\"https:\/\/lead-pcb.com\/ja\/tools\/5-band-resistor-color-code-calculator\/\" data-type=\"page\" data-id=\"24141\">\u62b5\u6297\u5668\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u8a08\u7b97\u6a5f<\/a> \u3092\u3054\u5229\u7528\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10k\u03a9\u306eSMD\u62b5\u6297\u5668\u306e\u8b58\u5225\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u9762\u5b9f\u88c5\u62b5\u6297\u5668\u306b\u306f\u3001\u30b1\u30fc\u30b9\u30b5\u30a4\u30ba\u3068\u8a31\u5bb9\u5dee\u306b\u5fdc\u3058\u3066\u30013\u6841\u30014\u6841\u3001\u307e\u305f\u306fEIA-96\u306e\u30de\u30fc\u30ad\u30f3\u30b0\u65b9\u5f0f\u304c\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>3\u6841\u30b3\u30fc\u30c9\uff08<code>103<\/code>):<\/strong> \u8a31\u5bb9\u5dee\u00b15%\u306e\u90e8\u54c1\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u6700\u521d\u306e2\u6841\u306f\u57fa\u6e96\u3068\u306a\u308b\u6570\u5024\u3067\u30013\u6841\u76ee\u306f10\u306e\u3079\u304d\u4e57\u3092\u793a\u3059\u4e57\u6570\u3067\u3059\uff1a<br>10 \u00d7 10\u00b3 = 10,000 \u03a9\uff0810k\u03a9\uff09<\/li>\n\n\n\n<li><strong>4\u6841\u30b3\u30fc\u30c9\uff08<code>1002<\/code>):<\/strong> \u8a31\u5bb9\u5dee\u00b11%\u306e\u7cbe\u5bc6\u90e8\u54c1\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\u6700\u521d\u306e3\u6841\u306f\u57fa\u6e96\u3068\u306a\u308b\u6570\u5024\u3067\u30014\u6841\u76ee\u306f\u4e57\u6570\u3067\u3059\uff1a<br>100 \u00d7 10\u00b2 = 10,000\u03a9\uff0810k\u03a9\uff09<\/li>\n\n\n\n<li><strong>EIA-96\u30b3\u30fc\u30c9\uff08<code>01C<\/code>):<\/strong> \u8d85\u5c0f\u578b\u306e\u8a31\u5bb9\u5dee\u00b11%\u90e8\u54c1\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002 <code>01<\/code> EIA-96\u53c2\u7167\u8868\u3067\uff08100\uff09\u3092\u8abf\u3079\u3001\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u639b\u3051\u307e\u3059 <code>C<\/code> (100):<br>100 \u00d7 100 = 10,000 \u03a9\uff0810k\u03a9\uff09<\/li>\n\n\n\n<li><strong>\u30de\u30fc\u30ad\u30f3\u30b0\u306a\u3057\uff1a<\/strong> \u975e\u5e38\u306b\u5c0f\u3055\u306a\u30d1\u30c3\u30b1\u30fc\u30b8\uff08\u305f\u3068\u3048\u3070 <strong>0402<\/strong>, <strong>0201<\/strong>\u3001\u307e\u305f\u306f <strong>01005<\/strong>\uff09\u306b\u306f\u6587\u5b57\u3092\u5370\u5b57\u3059\u308b\u7269\u7406\u7684\u306a\u8868\u9762\u7a4d\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u90e8\u54c1\u306f\u3001\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u3067\u6e2c\u5b9a\u3059\u308b\u304b\u3001\u5143\u306e\u90e8\u54c1\u30ea\u30fc\u30eb\u306e\u30e9\u30d9\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u7279\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<table>\n  <thead>\n    <tr>\n      <th colspan=\"3\">10k\u03a9\u62b5\u6297\u5668\u306e\u8b58\u5225\u65b9\u6cd5\u306e\u6bd4\u8f03<\/th>\n    <\/tr>\n    <tr>\n      <th>\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u7a2e\u985e<\/th>\n      <th>\u30de\u30fc\u30ad\u30f3\u30b0\u5f62\u5f0f<\/th>\n      <th>\u8aad\u307f\u65b9\uff0f\u610f\u5473<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>4\u5e2f\u30b9\u30eb\u30fc\u30db\u30fc\u30eb<\/td>\n      <td>\u8336-\u9ed2-\u30aa\u30ec\u30f3\u30b8-\u91d1<\/td>\n      <td>1 &#8211; 0 &#8211; \u00d71k\uff08\u00b15%\uff09<\/td>\n    <\/tr>\n    <tr>\n      <td>5\u5e2f\u30b9\u30eb\u30fc\u30db\u30fc\u30eb<\/td>\n      <td>\u8336-\u9ed2-\u9ed2-\u8d64-\u8336<\/td>\n      <td>1-0-0 &#8211; \u00d7100\uff08\u00b11%\uff09<\/td>\n    <\/tr>\n    <tr>\n      <td>3\u6841SMD\uff080805\u4ee5\u4e0a\uff09<\/td>\n      <td>103<\/td>\n      <td>10 x 10^3 = 10,000\u03a9<\/td>\n    <\/tr>\n    <tr>\n      <td>4\u6841SMD\uff080805\u4ee5\u4e0a\uff09<\/td>\n      <td>1002<\/td>\n      <td>100 x 10^2 = 10,000\u03a9<\/td>\n    <\/tr>\n    <tr>\n      <td>\u9ad8\u7cbe\u5ea6SMD<\/td>\n      <td>01C<\/td>\n      <td>EIA-96: 100 x 10^2<\/td>\n    <\/tr>\n    <tr>\n      <td>\u8d85\u5c0f\u578bSMD<\/td>\n      <td>\u7a7a\u767d\uff08\u30de\u30fc\u30ad\u30f3\u30b0\u306a\u3057\uff09<\/td>\n      <td>DMM\u3067\u6e2c\u5b9a<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n\n<h2 class=\"wp-block-heading\">\u306a\u305c10k\u03a9\u306f\u3053\u308c\u307b\u3069\u4e00\u822c\u7684\u306a\u62b5\u6297\u5024\u306a\u306e\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">10k\u03a9\u62b5\u6297\u306f\u3001\u56de\u8def\u8a2d\u8a08\u306b\u304a\u3051\u308b\u4e8b\u5b9f\u4e0a\u306e&#8220;\u6a19\u6e96&#8221;\u90e8\u54c1\u3067\u3059\u30024\u3064\u306e\u57fa\u672c\u7684\u306a\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6700\u9069\u3060\u304b\u3089\u3067\u3059\u3002<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u6d88\u8cbb\u96fb\u6d41\u3068\u30ce\u30a4\u30ba\u8010\u6027\uff1a<\/strong> CMOS\u30b2\u30fc\u30c8\u3084\u30aa\u30da\u30a2\u30f3\u30d7\u5165\u529b\u306a\u3069\u306e\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u56de\u8def\u30ce\u30fc\u30c9\u306f\u3001\u9759\u7684\u96fb\u6d41\u3092\u307b\u3068\u3093\u3069\u6d88\u8cbb\u3057\u307e\u305b\u3093\u3002\u30d7\u30eb\u30a2\u30c3\u30d7\u306b\u975e\u5e38\u306b\u4f4e\u3044\u62b5\u6297\u5024\uff08\u4f8b\uff1a100\u03a9\uff09\u3092\u4f7f\u3046\u3068\u3001\u30e9\u30a4\u30f3\u304cLow\u306b\u5f15\u304d\u4e0b\u3052\u3089\u308c\u308b\u305f\u3073\u306b\u5927\u304d\u306a\u96fb\u529b\u3092\u6d6a\u8cbb\u3057\u307e\u3059\uff085 V\u306750 mA\uff09\u3002\u975e\u5e38\u306b\u9ad8\u3044\u5024\uff08\u4f8b\uff1a1M\u03a9\uff09\u3092\u4f7f\u3046\u3068\u3001\u305d\u306e\u30ce\u30fc\u30c9\u306f\u96fb\u78c1\u5e72\u6e09\uff08EMI\uff09\u3001\u5bb9\u91cf\u6027\u30af\u30ed\u30b9\u30c8\u30fc\u30af\u3001\u57fa\u677f\u306e\u6f0f\u308c\u96fb\u6d41\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u300210k\u03a9\u306a\u3089\u3001\u30ce\u30a4\u30ba\u306b\u5bfe\u6297\u3059\u308b\u306e\u306b\u5341\u5206\u306a\u5f37\u3055\u3092\u4fdd\u3061\u306a\u304c\u3089\u3001\u4e00\u822c\u7684\u306a3.3 V\u304a\u3088\u30735 V\u96fb\u6e90\u3067\u306e\u6d88\u8cbb\u96fb\u6d41\u3092\u308f\u305a\u304b0.33 mA\uff5e0.5 mA\u306b\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u6a19\u6e96\u5316\u3055\u308c\u305fE\u7cfb\u5217\u3068\u306e\u6574\u5408\uff1a<\/strong> \u62b5\u6297\u5668\u306f\u56fd\u969b\u898f\u683cIEC 60063\u306b\u57fa\u3065\u304d\u3001\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u6a19\u6e96\u6570\u5217\uff08<em>E6\u3001E12\u3001E24\u3001E96<\/em>\uff09\u306b\u6a19\u6e96\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6570\u5217\u306e\u5024 <strong>1.0<\/strong> \u306f\u3059\u3079\u3066\u306e\u6841\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u304a\u308a\u3001\u5e02\u5834\u306b\u3042\u308b\u3042\u3089\u3086\u308b\u4f9b\u7d66\u5143\u3001\u8a31\u5bb9\u5dee\u306e\u7b49\u7d1a\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u5f62\u72b6\u306710k\u03a9\u3092\u5165\u624b\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u90e8\u54c1\u8868\uff08BOM\uff09\u306e\u96c6\u7d04\uff1a<\/strong> \u5927\u91cf\u751f\u7523\u3067\u306f\u3001\u6c4e\u7528\u7684\u306a\u62b5\u6297\u5024\u30921\u3064\u306b\u6a19\u6e96\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30fc\u30eb\u4ea4\u63db\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u3001\u5927\u91cf\u8abf\u9054\u5272\u5f15\u3092\u5229\u7528\u3067\u304d\u3001\u5728\u5eab\u7ba1\u7406\u3082\u7c21\u7d20\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ol>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u8a2d\u8a08\u4e0a\u306e\u7d4c\u9a13\u5247\uff1a<\/strong> 10k\u03a9\u306f\u3001\u91cd\u8981\u5ea6\u306e\u4f4e\u3044\u30d0\u30a4\u30a2\u30b9\u56de\u8def\u3084\u9759\u7684\u306a\u30c7\u30b8\u30bf\u30eb\u5165\u529b\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u306b\u6700\u9069\u306a\u521d\u671f\u5024\u3067\u3059\u304c\u3001\u3042\u304f\u307e\u3067\u521d\u671f\u306e\u57fa\u6e96\u5024\u3067\u3042\u308a\u3001\u7d76\u5bfe\u7684\u306a\u30eb\u30fc\u30eb\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u306e\u4e3b\u306a\u7528\u9014<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"610\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-10k-resistor-topologies.webp\" alt=\"common 10k resistor topologies\" class=\"wp-image-23473\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-10k-resistor-topologies.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-10k-resistor-topologies-300x183.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-10k-resistor-topologies-768x468.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/common-10k-resistor-topologies-18x12.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u30c7\u30b8\u30bf\u30eb\u5165\u529b\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u3068\u30d7\u30eb\u30c0\u30a6\u30f3\u62b5\u6297<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">ESP32\u3001STM32\u3001ATmega328P\u306a\u3069\u306e\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u9ad8\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u30fb\u30d4\u30f3\u3092\u672a\u63a5\u7d9a\u306e\u307e\u307e\u306b\u3059\u308b\u3068\u3001\u5468\u56f2\u306eRF\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u62fe\u3063\u3066&#8220;\u6d6e\u3044\u305f&#8221;\u72b6\u614b\u306b\u306a\u308a\u3001\u8ad6\u7406HIGH\u3068LOW\u306e\u9593\u3067\u5909\u52d5\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d7\u30eb\u30a2\u30c3\u30d7\u69cb\u6210\uff1a<\/strong> 10k\u03a9\u62b5\u6297\u3067GPIO\u30d4\u30f3\u3092\u6b63\u96fb\u6e90\u30ec\u30fc\u30eb\uff08V<sub>CC<\/sub>\uff09\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5916\u90e8\u30dc\u30bf\u30f3\u307e\u305f\u306f\u30aa\u30fc\u30d7\u30f3\u30c9\u30ec\u30a4\u30f3\u51fa\u529b\u304c\u30d4\u30f3\u3092\u30b0\u30e9\u30a6\u30f3\u30c9\u306b\u77ed\u7d61\u3059\u308b\u307e\u3067\u3001\u30d4\u30f3\u306f\u5b89\u5b9a\u3057\u305fHIGH\u72b6\u614b\u306b\u4fdd\u305f\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30d7\u30eb\u30c0\u30a6\u30f3\u69cb\u6210\uff1a<\/strong> 10k\u03a9\u62b5\u6297\u3067\u30d4\u30f3\u3092\u30b0\u30e9\u30a6\u30f3\u30c9\uff08<a href=\"https:\/\/lead-pcb.com\/ja\/blog\/gnd-meaning-in-electronics\/\" data-type=\"post\" data-id=\"11922\">GND<\/a>\uff09\u306b\u63a5\u7d9a\u3057\u3001\u30b9\u30a4\u30c3\u30c1\u306b\u3088\u3063\u3066V\u304c\u5370\u52a0\u3055\u308c\u308b\u307e\u3067\u3001\u65e2\u5b9a\u306eLOW\u72b6\u614b\u3092\u4fdd\u3061\u307e\u3059\u3002<sub>CC<\/sub>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5206\u5727\u5668\u3068\u30a2\u30ca\u30ed\u30b0\u30fb\u30d0\u30a4\u30a2\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2\u3064\u306e\u62b5\u6297\u3092\u4f7f\u3063\u305f\u5206\u5727\u5668\u306f\u3001\u5165\u529b\u96fb\u5727\u3092\u3088\u308a\u4f4e\u3044\u6e2c\u5b9a\u53ef\u80fd\u306a\u30ec\u30d9\u30eb\u306b\u4e0b\u3052\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">v<sub>out<\/sub> = V<sub>\u306e\u4e2d<\/sub> \u00d7 ( R<sub><sub>2<\/sub><\/sub> \/ R<sub>1<\/sub> + R<sub>2<\/sub> )<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u306e\u3068\u304d<sub>1<\/sub> = R<sub>2<\/sub> = 10k\u03a9\u306e\u5834\u5408\u3001\u6bd4\u7387\u306f\u6b21\u306e\u3088\u3046\u306b\u7c21\u7565\u5316\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">v<sub>out<\/sub> = V<sub>\u306e\u4e2d<\/sub> \u00d7 ( 10k\u03a9 \/ 10k\u03a9+ 10k\u03a9) = V<sub>\u306e\u4e2d<\/sub> \/ 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5bfe\u79f0\u306a50%\u306e\u5206\u5727\u306f\u3001\u5358\u96fb\u6e90\u30aa\u30da\u30a2\u30f3\u30d7\u306b\u5165\u529b\u3059\u308bAC\u30aa\u30fc\u30c7\u30a3\u30aa\u4fe1\u53f7\u306e\u30d0\u30a4\u30a2\u30b9\u7528\u306b\u3001\u4e2d\u70b9\u96fb\u5727\uff08V<sub>CC<\/sub> \/ 2\uff09\u3092\u4f5c\u308b\u305f\u3081\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>ADC\u8ca0\u8377\u306b\u95a2\u3059\u308b\u6ce8\u610f\uff1a<\/em> \u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306e\u30a2\u30ca\u30ed\u30b0-\u30c7\u30b8\u30bf\u30eb\u5909\u63db\u5668\uff08ADC\uff09\u306b\u306f\u3001\u901a\u5e38\u3001\u5185\u90e8\u306b\u30b5\u30f3\u30d7\u30eb\u30fb\u30db\u30fc\u30eb\u30c9\u30fb\u30b3\u30f3\u30c7\u30f3\u30b5\u304c\u3042\u308a\u307e\u3059\u3002\u5206\u5727\u5668\u306e\u7b49\u4fa1\u7684\u306a\u30bd\u30fc\u30b9\u62b5\u6297\u304cADC\u306e\u6700\u5927\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u4ed5\u69d8\uff08\u591a\u304f\u306e\u5834\u540810k\u03a9\uff09\u3092\u8d85\u3048\u308b\u3068\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u671f\u9593\u4e2d\u306b\u30b3\u30f3\u30c7\u30f3\u30b5\u304c\u5341\u5206\u306b\u5145\u96fb\u3055\u308c\u305a\u3001\u8aad\u307f\u53d6\u308a\u5024\u304c\u4e0d\u6b63\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. RC\u30bf\u30a4\u30df\u30f3\u30b0\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u9664\u53bb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30c7\u30f3\u30b5\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u300110k\u03a9\u62b5\u6297\u306fRC\u56de\u8def\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u305d\u306e\u30b9\u30c6\u30c3\u30d7\u5fdc\u7b54\u306e\u901f\u5ea6\u306f\u6642\u5b9a\u6570 \u03c4\uff08\u30bf\u30a6\uff09\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03c4 = R \u00d7 C<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5b9f\u7528\u7684\u306a\u30b9\u30a4\u30c3\u30c1\u306e\u30c7\u30d0\u30a6\u30f3\u30b9\u4f8b\uff1a<\/strong><br>\u6a5f\u68b0\u5f0f\u30b9\u30a4\u30c3\u30c1\u306e\u63a5\u70b9\u306f\u3001\u9589\u3058\u308b\u3068\u304d\u306b5\uff5e20\u30df\u30ea\u79d2\u9593\u30d0\u30a6\u30f3\u30b9\u3057\u307e\u3059\u300210k\u03a9\u306e\u62b5\u6297\u30682.2\u03bcF\u306e\u30bb\u30e9\u30df\u30c3\u30af\u30b3\u30f3\u30c7\u30f3\u30b5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<br>\u03c4 = (10 \u00d7 10\u00b3 \u03a9) \u00d7 (2.2 \u00d7 10<sup>-6<\/sup> F) = 0.022\u79d2 = 22 ms <br>\u3053\u308c\u306b\u3088\u308a\u3001\u4fe1\u53f7\u304c\u30c7\u30b8\u30bf\u30eb\u5165\u529b\u30d4\u30f3\u306b\u5230\u9054\u3059\u308b\u524d\u306b\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3067\u52b9\u679c\u7684\u306b\u6291\u5236\u3067\u304d\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\uff1a<\/strong><br>-3 dB\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570   (f<sub>\u306e\u4e2d<\/sub>) \u306f\u300110k\u306eRC\u56de\u8def\u3067\u306f\u6b21\u306e\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u307e\u3059\uff1a<br>f<sub>c<\/sub> = 1 \/ 2\u03c0RC <br>\u6b21\u306e\u5024\u3092\u4f7f\u3046\u3068 <em>r<\/em> = 10k\u03a9\u3001C = 100 nF\u3068\u306a\u308a\u3001\u30ed\u30fc\u30d1\u30b9\u30d5\u30a3\u30eb\u30bf\u306e\u30b3\u30fc\u30ca\u30fc\u5468\u6ce2\u6570\u306f\u7d04159Hz\u306b\u8a2d\u5b9a\u3055\u308c\u3001\u4f4e\u901f\u30bb\u30f3\u30b5\u30fc\u30e9\u30a4\u30f3\u306b\u6df7\u5165\u3059\u308b\u9ad8\u5468\u6ce2\u30ce\u30a4\u30ba\u3092\u9664\u53bb\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. \u30bb\u30f3\u30b5\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u591a\u304f\u306e\u62b5\u6297\u5f0f\u30bb\u30f3\u30b5\u30fc\uff08\u8ca0\u306e\u6e29\u5ea6\u4fc2\u6570\uff08NTC\uff09\u30b5\u30fc\u30df\u30b9\u30bf\u3084\u5149\u4f9d\u5b58\u6027\u62b5\u6297\u5668\uff08LDR\uff09\u306a\u3069\uff09\u306f\u3001\u5909\u5316\u3059\u308b\u62b5\u6297\u5024\u3092\u96fb\u5727\u306b\u5909\u63db\u3059\u308b\u305f\u3081\u3001\u5206\u5727\u56de\u8def\u306b\u56fa\u5b9a\u57fa\u6e96\u62b5\u6297\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">10k\u03a9\u306e\u30b5\u30fc\u30df\u30b9\u30bf\u306f\u300125\u2103\u306b\u304a\u3044\u3066\u62b5\u6297\u5024\u304c\u6b63\u78ba\u306b10k\u03a9\u3068\u306a\u308b\u3088\u3046\u306b\u5b9a\u683c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u56fa\u5b9a\u306e10k\u03a9\u62b5\u6297\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u5ba4\u6e29\u3067\u5206\u5727\u56de\u8def&#8217;s\u306e\u51fa\u529b\u96fb\u5727\u306f\u6b63\u78ba\u306bV<sub>cc<\/sub>\/2\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u300125\u2103\u4ed8\u8fd1\u3067\u6700\u5927\u306e\u96fb\u5727\u611f\u5ea6\uff08<em>dV \/ dT<\/em>)\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u6975\u7aef\u306a\u9ad8\u6e29\u307e\u305f\u306f\u4f4e\u6e29\u306e\u9818\u57df\u3092\u5bfe\u8c61\u3068\u3059\u308b\u8a2d\u8a08\u3067\u306f\u3001\u7279\u5b9a\u306e\u52d5\u4f5c\u8a2d\u5b9a\u6e29\u5ea6\u306b\u304a\u3051\u308b\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30b8\u3092\u6700\u5927\u5316\u3059\u308b\u305f\u3081\u3001\u610f\u56f3\u7684\u306b\u5225\u306e\u56fa\u5b9a\u62b5\u6297\u5024\u3092\u9078\u3076\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">10k\u62b5\u6297\u304c\u9069\u5207\u3067\u306a\u3044\u5834\u5408<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6c4e\u7528\u6027\u306f\u9ad8\u3044\u3082\u306e\u306e\u3001\u8aa4\u3063\u305f\u56de\u8def\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u306710k\u62b5\u6297\u3092\u4f7f\u3046\u3068\u3001\u6df1\u523b\u306a\u56de\u8def\u6545\u969c\u306b\u3064\u306a\u304c\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<table>\n  <thead>\n    <tr>\n      <th colspan=\"3\">10k\u62b5\u6297\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u3079\u304d\u5834\u5408<\/th>\n    <\/tr>\n    <tr>\n      <th>\u56de\u8def\u306e\u7528\u9014<\/th>\n      <th>10k\u03a9\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306e\u554f\u984c<\/th>\n      <th>\u9069\u5207\u306a\u4ee3\u66ff\u54c1<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr>\n      <td>LED\u96fb\u6d41\u5236\u9650<\/td>\n      <td>\u96fb\u6d41\u304c\u5c0f\u3055\u3059\u304e\u308b (&lt;0.3mA)<\/td>\n      <td>150\u03a9\uff5e1k\u03a9<\/td>\n    <\/tr>\n    <tr>\n      <td>\u9ad8\u901fI2C\u30d0\u30b9<\/td>\n      <td>\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\u306e\u898f\u683c\u9055\u53cd<\/td>\n      <td>1k\u03a9\uff5e4.7k\u03a9<\/td>\n    <\/tr>\n    <tr>\n      <td>\u9ad8\u7cbe\u5ea6\u96fb\u5727\u56de\u8def<\/td>\n      <td>\u71b1\u30c9\u30ea\u30d5\u30c8\uff0f\u8ca0\u8377\u306e\u5f71\u97ff<\/td>\n      <td>\u30de\u30c3\u30c1\u30c9\u62b5\u6297\u30a2\u30ec\u30a4\uff0f0.1%<\/td>\n    <\/tr>\n    <tr>\n      <td>\u9ad8\u96fb\u5727\u30ec\u30fc\u30eb<\/td>\n      <td>\u96fb\u5727\u306b\u3088\u308b\u30a2\u30fc\u30af\uff0f\u30d5\u30e9\u30c3\u30b7\u30e5\u30aa\u30fc\u30d0\u30fc<\/td>\n      <td>\u9ad8\u96fb\u5727\u5b9a\u683c\u54c1<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\n\n\n<h3 class=\"wp-block-heading\">1. LED\u3068\u5927\u96fb\u6d41\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96\u7684\u306a\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fcLED\u306f\u3001\u76ee\u306b\u898b\u3048\u308b\u660e\u308b\u3055\u3092\u5f97\u308b\u305f\u3081\u306b2 mA\uff5e20 mA\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u30025 V\u96fb\u6e90\u306710k\u62b5\u6297\u3092\u76f4\u5217\u306b\u5165\u308c\u308b\u3068\u3001\u30c0\u30a4\u30aa\u30fc\u30c9\u306b\u5341\u5206\u306a\u96fb\u6d41\u304c\u6d41\u308c\u307e\u305b\u3093\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u79c1<sub>LED<\/sub> = (V<sub>\u96fb\u6e90<\/sub> &#8211; V<sub>\u9806\u65b9\u5411\u96fb\u5727<\/sub>) \/ R = (5 V &#8211; 2.0 V) \/ 10,000 \u03a9 = 0.3 mA<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">0.3 mA\u3067\u306f\u3001\u6a19\u6e96\u7684\u306aLED\u306f\u304b\u308d\u3046\u3058\u3066\u898b\u3048\u308b\u7a0b\u5ea6\u304b\u3001\u307e\u3063\u305f\u304f\u70b9\u706f\u3057\u306a\u3044\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fc\u306b\u306f\u3001 <strong>150\u03a9<\/strong> <strong>\uff5e1k\u03a9<\/strong> \u306e\u62b5\u6297\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u9ad8\u901fI\u00b2C\u304a\u3088\u3073\u5927\u5bb9\u91cf\u30d0\u30b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">I\u00b2C\u30e9\u30a4\u30f3\u3067\u306f\u3001\u30c7\u30fc\u30bf\uff08SDA\uff09\u30e9\u30a4\u30f3\u3068\u30af\u30ed\u30c3\u30af\uff08SCL\uff09\u30e9\u30a4\u30f3\u3092HIGH\u306b\u623b\u3059\u305f\u3081\u306b\u30aa\u30fc\u30d7\u30f3\u30c9\u30ec\u30a4\u30f3\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\uff08t<sub>r<\/sub>) \u306f\u30d0\u30b9\u5bb9\u91cf\uff08C<sub>LED<\/sub>) \u3068\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\uff08R<sub>p<\/sub>):<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">t<sub>r<\/sub> \u2248  0.8473 \u00d7 R<sub>p<\/sub> \u00d7 C<sub>b<\/sub><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bc4\u751f\u914d\u7dda\u5bb9\u91cf\u3068\u30b3\u30cd\u30af\u30bf\u5bb9\u91cf\u306e\u5408\u8a08\u304c100pF\u306e400kHz\u30d5\u30a1\u30b9\u30c8\u30e2\u30fc\u30c9\u30d0\u30b9\u3067\u306f\u300110k\u03a9\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u3092\u4f7f\u7528\u3059\u308b\u3068\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\u306f\u7d04720ns\u3068\u306a\u308a\u3001I\u00b2C\u30d5\u30a1\u30b9\u30c8\u30e2\u30fc\u30c9\u306e\u6700\u5927\u7acb\u3061\u4e0a\u304c\u308a\u6642\u9593\u4ed5\u69d8\u3067\u3042\u308b300ns\u306b\u9055\u53cd\u3057\u307e\u3059\u3002\u9ad8\u901f\u30d0\u30b9\u3084\u8ca0\u8377\u306e\u5927\u304d\u3044\u30d0\u30b9\u3067\u306f\u3001\u4ee3\u308f\u308a\u306b <strong>1.8k\u03a9\uff5e4.7k\u03a9\u306e<\/strong> \u30d7\u30eb\u30a2\u30c3\u30d7\u62b5\u6297\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u9ad8\u7cbe\u5ea6\u30fb\u9ad8\u96fb\u5727\u30fb\u4f4e\u30ce\u30a4\u30ba\u56de\u8def<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u71b1\u96d1\u97f3\uff08\u30b8\u30e7\u30f3\u30bd\u30f3\u30fb\u30ca\u30a4\u30ad\u30b9\u30c8\u96d1\u97f3\uff09\uff1a<\/strong> \u62b5\u6297\u306e\u30ce\u30a4\u30ba\u96fb\u5727\u306f\u62b5\u6297\u5024\u306b\u76f4\u63a5\u6bd4\u4f8b\u3057\u307e\u3059\uff08v<sub>r<\/sub> = \u221a4 k<sub>b<\/sub>TR \u0394f\uff09\u3002\u8d85\u4f4e\u30ce\u30a4\u30ba\u306e\u30d7\u30ea\u30a2\u30f3\u30d7\u3067\u306f\u3001\u62b5\u6297\u5024\u304c\u5927\u304d\u3044\u3068\u4fe1\u53f7\u5bfe\u96d1\u97f3\u6bd4\uff08SNR\uff09\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u5b9a\u683c\u96fb\u5727\u306e\u5236\u9650\uff1a<\/strong> \u6a19\u6e96\u7684\u306a0805\u30b5\u30a4\u30ba\u307e\u305f\u306f1\/4W\u306e\u62b5\u6297\u5668\u306e\u9023\u7d9a\u52d5\u4f5c\u96fb\u5727\u306e\u4e0a\u9650\u306f150V\uff5e250V\u3067\u3059\u3002\u5b9a\u683c\u96fb\u529b\u306e\u7bc4\u56f2\u5185\u3067\u3042\u3063\u3066\u3082\u3001\u3053\u306e\u5b9a\u683c\u3092\u8d85\u3048\u308b\u3068\u62b5\u6297\u7d20\u5b50\u3067\u7d76\u7e01\u7834\u58ca\u304c\u767a\u751f\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u9069\u5207\u306a10k\u03a9\u62b5\u6297\u5668\u306e\u9078\u3073\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9069\u5207\u306a10k\u03a9\u62b5\u6297\u5668\u3092\u9078\u3076\u306b\u306f\u3001\u7528\u9014\u306b\u5fdc\u3058\u30664\u3064\u306e\u8a2d\u8a08\u30d1\u30e9\u30e1\u30fc\u30bf\u30fc\u3092\u9069\u5408\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"663\" src=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/10k-resistor-selection-flowchart.webp\" alt=\"10k resistor selection flowchart\" class=\"wp-image-23475\" srcset=\"https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/10k-resistor-selection-flowchart.webp 1000w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/10k-resistor-selection-flowchart-300x199.webp 300w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/10k-resistor-selection-flowchart-768x509.webp 768w, https:\/\/lead-pcb.com\/wp-content\/uploads\/2026\/08\/10k-resistor-selection-flowchart-18x12.webp 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u8a31\u5bb9\u5dee\u3068\u6e29\u5ea6\u4fc2\u6570<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00b15%\uff08\u6c4e\u7528\uff09\uff1a<\/strong> \u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u3067\u306e\u8a66\u4f5c\u3001\u57fa\u672c\u7684\u306a\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\uff0f\u30d7\u30eb\u30c0\u30a6\u30f3\u3001\u304a\u3088\u3073\u63a5\u70b9\u306e\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u9664\u53bb\u306b\u6700\u9069\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u00b1 1%\u307e\u305f\u306f\u00b1 0.1%\uff08\u9ad8\u7cbe\u5ea6\uff09\uff1a<\/strong> \u30b2\u30a4\u30f3\u7cbe\u5ea6\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u5fc5\u8981\u304c\u3042\u308b\u30aa\u30da\u30a2\u30f3\u30d7\u306e\u5e30\u9084\u56de\u8def\u3001\u8a08\u6e2c\u7528\u5206\u5727\u56de\u8def\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30d5\u30a3\u30eb\u30bf\u30fc\u6bb5\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/li>\n\n\n\n<li><strong>\u62b5\u6297\u6e29\u5ea6\u4fc2\u6570\uff08TCR\uff09\uff1a<\/strong> ppm \/\u2103\u3067\u8868\u3055\u308c\u308bTCR\u306f\u3001\u6e29\u5ea6\u5909\u5316\u306b\u4f34\u3046\u62b5\u6297\u5024\u306e\u5909\u52d5\u91cf\u3092\u793a\u3057\u307e\u3059\u3002\u8584\u819c\u90e8\u54c1\u306f\u591a\u304f\u306e\u5834\u5408\u300125 ppm \/\u2103\u672a\u6e80\u306e\u5b89\u5b9a\u3057\u305f\u5b9a\u683c\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u304c\u3001\u6a19\u6e96\u7684\u306a\u30ab\u30fc\u30dc\u30f3\u30d5\u30a3\u30eb\u30e0\u90e8\u54c1\u306f\u00b1350 ppm \/ \u2103\u4ee5\u4e0a\u5909\u52d5\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u96fb\u529b\u5b9a\u683c\u3068\u96fb\u5727\u5b9a\u683c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u5f0f\u3092\u4f7f\u3063\u3066\u52d5\u4f5c\u6642\u306e\u6d88\u8cbb\u96fb\u529b\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P = V\u00b2 \/ R = I\u00b2 R<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u71b1\u7684\u4fe1\u983c\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u5fc5\u305a <strong>\u8a2d\u8a08\u4e0a\u306e50%\u30c7\u30a3\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30eb\u30fc\u30eb<\/strong> \u3092\u9069\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6700\u60aa\u6761\u4ef6\u3067\u306e\u9023\u7d9a\u6d88\u8cbb\u96fb\u529b\u306e\u5c11\u306a\u304f\u3068\u30822\u500d\u306e\u5b9a\u683c\u3092\u6301\u3064\u62b5\u6297\u5668\u3092\u9078\u3073\u307e\u3059\u300210k\u03a9\u62b5\u6297\u5668\u306e\u6d88\u8cbb\u96fb\u529b\u304c100mW\u306e\u5834\u5408\u3001\u5c11\u306a\u304f\u3068\u3082250mW\uff081\/4 W\uff09\u5b9a\u683c\u306e\u90e8\u54c1\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u30d1\u30c3\u30b1\u30fc\u30b8\u3068\u6280\u8853\u306e\u9078\u629e<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>\u62b5\u6297\u5668\u306e\u6280\u8853\u65b9\u5f0f<\/strong><\/td><td><strong>\u4e00\u822c\u7684\u306a\u8a31\u5bb9\u5dee<\/strong><\/td><td><strong>\u4e3b\u306a\u5229\u70b9<\/strong><\/td><td><strong>\u4e00\u822c\u7684\u306a\u6b20\u70b9<\/strong><\/td><td><strong>\u4e3b\u306a\u7528\u9014<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>\u30ab\u30fc\u30dc\u30f3\u30d5\u30a3\u30eb\u30e0<\/strong><\/td><td>\u00b1 5%<\/td><td>\u4f4e\u30b3\u30b9\u30c8\u3001\u30b5\u30fc\u30b8\u30a8\u30cd\u30eb\u30ae\u30fc\u3078\u306e\u8010\u6027\u304c\u9ad8\u3044<\/td><td>\u6e29\u5ea6\u30c9\u30ea\u30d5\u30c8\u304c\u5927\u304d\u3044\u3001\u96fb\u6c17\u7684\u30ce\u30a4\u30ba\u304c\u5927\u304d\u3044<\/td><td>\u4e00\u822c\u7684\u306a\u30d6\u30ec\u30c3\u30c9\u30dc\u30fc\u30c9\u3067\u306e\u8a66\u4f5c\u3001\u6559\u80b2\u7528\u56de\u8def<\/td><\/tr><tr><td><strong>\u91d1\u5c5e\u76ae\u819c<\/strong><\/td><td>\u00b1 0.5%\uff5e\u00b11%<\/td><td>\u4f4e\u30ce\u30a4\u30ba\u3001\u9ad8\u7cbe\u5ea6\u3001\u4f4eTCR<\/td><td>\u3084\u3084\u9ad8\u30b3\u30b9\u30c8<\/td><td>\u30aa\u30fc\u30c7\u30a3\u30aa\u51e6\u7406\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30a2\u30ca\u30ed\u30b0\u30d5\u30a3\u30eb\u30bf\u30fc<\/td><\/tr><tr><td><strong>\u539a\u819c\uff08SMD\uff09<\/strong><\/td><td>\u00b1 1%\uff5e\u00b1 5%<\/td><td>\u5358\u4fa1\u304c\u975e\u5e38\u306b\u4f4e\u3044\u3001\u7701\u30b9\u30da\u30fc\u30b9<\/td><td>\u30ce\u30a4\u30ba\u306f\u4e2d\u7a0b\u5ea6\u3001\u5b89\u5b9a\u6027\u3082\u4e2d\u7a0b\u5ea6<\/td><td>\u4e00\u822c\u6d88\u8cbb\u8005\u5411\u3051\u96fb\u5b50\u6a5f\u5668\u3001\u30c7\u30b8\u30bf\u30eb\u30d7\u30eb\u30a2\u30c3\u30d7<\/td><\/tr><tr><td><strong>\u8584\u819c\uff08SMD\uff09<\/strong><\/td><td>\u00b10.05%\uff5e\u00b10.5%<\/td><td>\u512a\u308c\u305f\u76f4\u7dda\u6027\u3001\u6975\u3081\u3066\u4f4e\u3044\u30ce\u30a4\u30ba\u3068\u30c9\u30ea\u30d5\u30c8<\/td><td>\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u3001\u6e7f\u6c17\u3084ESD\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3084\u3059\u3044<\/td><td>\u533b\u7642\u6a5f\u5668\u3001\u7cbe\u5bc6\u8a08\u6e2c\u6a5f\u5668<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\u306710k\u03a9\u62b5\u6297\u5668\u3092\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>\u56de\u8def\u306e\u96fb\u6e90\u3092\u5207\u308b\uff1a<\/strong> \u3059\u3079\u3066\u306e\u96fb\u6e90\u3092\u5207\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u5927\u5bb9\u91cf\u30d5\u30a3\u30eb\u30bf\u30fc\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3092\u653e\u96fb\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u90e8\u54c1\u3092\u56de\u8def\u304b\u3089\u5207\u308a\u96e2\u3059\uff1a<\/strong> \u5b9f\u88c5\u6e08\u307f\u306ePCB\u4e0a\u306e\u62b5\u6297\u5668\u3092\u30c6\u30b9\u30c8\u3059\u308b\u5834\u5408\u306f\u3001\u5c11\u306a\u304f\u3068\u3082\u4e00\u65b9\u306e\u30ea\u30fc\u30c9\u7dda\uff08\u307e\u305f\u306f\u30d1\u30c3\u30c9\uff09\u3092\u306f\u3093\u3060\u9664\u53bb\u3057\u3066\u6d6e\u304b\u305b\u3066\u304f\u3060\u3055\u3044\u3002\u62b5\u6297\u5668\u3092\u56de\u8def\u306b\u5b8c\u5168\u306b\u306f\u3093\u3060\u4ed8\u3051\u3057\u305f\u307e\u307e\u6e2c\u5b9a\u3059\u308b\u3068\u3001\u96fb\u6d41\u304c\u5225\u306e\u4e26\u5217\u7d4c\u8def\u3092\u6d41\u308c\u3001\u62b5\u6297\u5024\u304c\u5b9f\u969b\u3088\u308a\u4f4e\u304f\u6e2c\u5b9a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>\u30c7\u30b8\u30bf\u30eb\u30de\u30eb\u30c1\u30e1\u30fc\u30bf\u30fc\uff08DMM\uff09\u3092\u8a2d\u5b9a\u3059\u308b\uff1a<\/strong> \u30c0\u30a4\u30e4\u30eb\u3092\u62b5\u6297\u6e2c\u5b9a\u30e2\u30fc\u30c9\uff08\u03a9\uff09\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u624b\u52d5\u30ec\u30f3\u30b8\u5207\u308a\u66ff\u3048\u5f0f\u306e\u30e1\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u306f\u300120 k\u03a9\u30ec\u30f3\u30b8\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li><strong>\u30c6\u30b9\u30c8\u30ea\u30fc\u30c9\u3092\u63a5\u7d9a\u3059\u308b\uff1a<\/strong> \u9ed2\u3068\u8d64\u306e\u30c6\u30b9\u30c8\u30ea\u30fc\u30c9\u306e\u5148\u7aef\u3092\u3001\u9732\u51fa\u3057\u305f2\u672c\u306e\u30ea\u30fc\u30c9\u7dda\u307e\u305f\u306f\u91d1\u5c5e\u88fd\u306e\u7aef\u5b50\u30ad\u30e3\u30c3\u30d7\u306b\u3057\u3063\u304b\u308a\u5f53\u3066\u307e\u3059\u3002\u62b5\u6297\u5668\u306b\u306f\u6975\u6027\u304c\u306a\u3044\u305f\u3081\u3001\u30c6\u30b9\u30c8\u30ea\u30fc\u30c9\u306e\u5411\u304d\u306f\u554f\u3044\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><strong>\u6e2c\u5b9a\u5024\u3092\u8a31\u5bb9\u5dee\u306e\u7bc4\u56f2\u3068\u7167\u3089\u3057\u5408\u308f\u305b\u308b\uff1a<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\u8a31\u5bb9\u5dee\u00b15%\u306e\u90e8\u54c1\uff1a<\/strong> \u6709\u52b9\u306a\u6e2c\u5b9a\u5024\u306e\u7bc4\u56f2\u306f <strong>9.50k\u03a9\uff5e10.50k\u03a9<\/strong>.<\/li>\n\n\n\n<li><strong>\u8a31\u5bb9\u5dee\u00b11%\u306e\u90e8\u54c1\uff1a<\/strong> \u6709\u52b9\u306a\u6e2c\u5b9a\u5024\u306e\u7bc4\u56f2\u306f <strong>9.90k\u03a9\uff5e10.10k\u03a9<\/strong>.<\/li>\n\n\n\n<li>HDI PCB\u3068\u306f <strong>\u958b\u56de\u8def\uff08OL \/ \u221e\uff09<\/strong> \u3068\u3044\u3046\u8868\u793a\u306f\u5185\u90e8\u3067\u65ad\u7dda\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u30010\u03a9\u306b\u8fd1\u3044\u6e2c\u5b9a\u5024\u306f\u90e8\u54c1\u304c\u77ed\u7d61\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u306e\u30ab\u30e9\u30fc\u30b3\u30fc\u30c9\u306f\u4f55\u8272\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96\u7684\u306a4\u30d0\u30f3\u30c9\u3001\u8a31\u5bb9\u5dee\u00b15%\u306e10k\u03a9\u62b5\u6297\u5668\u306e\u30d0\u30f3\u30c9\u306f\u6b21\u306e4\u8272\u3067\u3059\uff1a <strong>\u8336\u3001\u9ed2\u3001\u6a59\u3001\u91d1<\/strong>\u3002\u7cbe\u5bc6\u306a5\u30d0\u30f3\u30c9\u3001\u8a31\u5bb9\u5dee\u00b11%\u306e10k\u03a9\u62b5\u6297\u5668\u306f\u3001\u6b21\u306e\u8272\u3067\u793a\u3055\u308c\u307e\u3059\uff1a <strong>\u8336\u3001\u9ed2\u3001\u9ed2\u3001\u8d64\u3001\u8336<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">SMD\u62b5\u6297\u5668\u306e\u300c103\u300d\u306f\u4f55\u3092\u610f\u5473\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30b3\u30fc\u30c9 <code>103<\/code> \u306f3\u6841\u306eEIA\u8868\u8a18\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6700\u521d\u306e2\u6841\uff08<code>10<\/code>\uff09\u306f\u57fa\u672c\u3068\u306a\u308b\u6570\u5024\u3092\u8868\u3057\u30013\u6841\u76ee\uff08<code>3<\/code>\uff09\u306f\u4e57\u657010\u00b3\uff081,000\uff09\u3092\u793a\u3057\u307e\u3059\u300210 \u00d7 1,000 = 10,000\u03a9\u3001\u3064\u307e\u308a10k\u03a9\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u306b\u306f\u3001\u306a\u305c10k\u03a9\u62b5\u6297\u5668\u304c\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u308b\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30de\u30a4\u30af\u30ed\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u306e\u5165\u529b\u30d4\u30f3\u306f\u3001\u5185\u90e8\u5165\u529b\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u9ad8\u304f\uff08&gt;10 M\u03a9\uff09\u300110k\u03a9\u62b5\u6297\u5668\u3092\u4f7f\u3046\u3068\u3001\u8ff7\u8d70\u96fb\u78c1\u754c\u306e\u5f71\u97ff\u3092\u6291\u3048\u3066\u30d4\u30f3\u3092V<sub>cc<\/sub> \u307e\u305f\u306fGND\u306b\u78ba\u5b9f\u306b\u56fa\u5b9a\u3057\u306a\u304c\u3089\u3001\u53cd\u5bfe\u65b9\u5411\u306b\u5f15\u304d\u8fbc\u3080\u5834\u5408\u306e\u7121\u99c4\u306a\u96fb\u6d41\u3092\u30013.3V\u96fb\u6e90\u3067\u308f\u305a\u304b0.33mA\u306b\u6291\u3048\u3089\u308c\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u30924.7k\u03a9\u307e\u305f\u306f100k\u03a9\u306e\u62b5\u6297\u5668\u3067\u4ee3\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b5\u30d6\u56de\u8def\u306b\u3088\u308a\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u62bc\u3057\u30dc\u30bf\u30f3\u306e\u30d7\u30eb\u30a2\u30c3\u30d7\u3067\u306f\u30014.7k\u03a9\u306e\u62b5\u6297\u5668\u304c\u9069\u3057\u3066\u3044\u307e\u3059\uff08\u96fb\u6d41\u306f\u308f\u305a\u304b\u306b\u5897\u3048\u307e\u3059\uff09\u3002\u307e\u305f\u3001\u30ce\u30a4\u30ba\u306e\u5c11\u306a\u3044\u74b0\u5883\u3067\u306f100k\u03a9\u306e\u62b5\u6297\u5668\u3082\u4f7f\u3048\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30bf\u30a4\u30df\u30f3\u30b0\u56de\u8def\uff08<em>RC<\/em>\uff09\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u30a2\u30ca\u30ed\u30b0\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u307e\u305f\u306f\u6574\u5408\u578b\u5206\u5727\u56de\u8def\u3067\u306f\u300110k\u03a9\u62b5\u6297\u5668\u3092\u5225\u306e\u5024\u306b\u7f6e\u304d\u63db\u3048\u308b\u3068\u3001\u30ab\u30c3\u30c8\u30aa\u30d5\u5468\u6ce2\u6570\u3084\u51fa\u529b\u96fb\u5727\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u306fLED\u306e\u70b9\u706f\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u6a19\u6e96\u7684\u306a3.3V\u307e\u305f\u306f5V\u96fb\u6e90\u306b10k\u03a9\u62b5\u6297\u5668\u3092\u63a5\u7d9a\u3059\u308b\u3068\u3001\u96fb\u6d41\u306f0.3mA\u672a\u6e80\u306b\u5236\u9650\u3055\u308c\u3001\u6a19\u6e96\u7684\u306a\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u30fcLED\u306f\u975e\u5e38\u306b\u6697\u304f\u306a\u308b\u304b\u3001\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u6a19\u6e96\u7684\u306a\u660e\u308b\u3055\u3067\u70b9\u706f\u3055\u305b\u308b\u306b\u306f\u3001\u4ee3\u308f\u308a\u306b150\u03a9\uff5e1k\u03a9\u306e\u62b5\u6297\u5668\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">10k\u03a9\u62b5\u6297\u5668\u306f\u4f55\u30ef\u30c3\u30c8\u306e\u5b9a\u683c\u3092\u9078\u3079\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f4e\u96fb\u5727\u306e\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u3084\u30a2\u30ca\u30ed\u30b0\u56de\u8def\uff083.3V\uff5e12V\uff09\u3067\u306f\u3001\u6d88\u8cbb\u96fb\u529b\u306f15mW\u672a\u6e80\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6a19\u6e96\u7684\u306a <strong>1\/8W\uff08125mW\uff09\u306e<\/strong> \u307e\u305f\u306f <strong>1\/4W\uff08250mW\uff09\u306e<\/strong> \u30b9\u30eb\u30fc\u30db\u30fc\u30eb\u90e8\u54c1\u3084\u3001 <strong>0402\/0603<\/strong> SMD\u90e8\u54c1\u3067\u3082\u5341\u5206\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">10k\u03a9\u62b5\u6297\u5668\u306f\u3001\u4f4e\u3044\u96fb\u529b\u640d\u5931\u3001\u52b9\u679c\u7684\u306a\u30ce\u30a4\u30ba\u8010\u6027\u3001\u5e45\u5e83\u3044\u4f9b\u7d66\u7db2\u3067\u306e\u5165\u624b\u6027\u3092\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u96fb\u5b50\u56de\u8def\u306e\u57fa\u672c\u3068\u306a\u308b\u90e8\u54c1\u3067\u3059\u3002\u30d7\u30eb\u30a2\u30c3\u30d7\u7dda\u3001\u57fa\u672c\u7684\u306a\u30c1\u30e3\u30bf\u30ea\u30f3\u30b0\u9664\u53bb\u3001\u57fa\u6e96\u96fb\u5727\u7528\u306e\u5206\u5727\u56de\u8def\u306b\u304a\u3051\u308b\u521d\u671f\u5024\u3068\u3057\u3066\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u56de\u8def\u306e\u6027\u80fd\u306f\u3001\u8a2d\u8a08\u306b\u5fc5\u8981\u306a\u96fb\u529b\u3001\u8a31\u5bb9\u5dee\u3001\u5468\u6ce2\u6570\u306e\u6761\u4ef6\u306b\u5408\u3063\u305f\u5024\u3092\u9078\u3076\u3053\u3068\u306b\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002\u90e8\u54c1\u306e\u5024\u3092\u6700\u7d42\u6c7a\u5b9a\u3059\u308b\u524d\u306b\u3001\u5fc5\u8981\u306a\u96fb\u6d41\u3068\u30bf\u30a4\u30df\u30f3\u30b0\u306e\u8981\u4ef6\u3092\u5fc5\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>A 10k resistor is a passive electrical component with a nominal resistance of 10,000 ohms (10k\u03a9). In modern circuit design, it is one of the most ubiquitous values found on breadboards and production PCBs alike. Engineers and hobbyists turn to 10k resistors because they hit an ideal electrical middle ground: they limit current to safe, microamp-to-milliamp levels without causing excessive battery drain, while remaining low enough in impedance to prevent sensitive digital inputs from picking up stray electrical noise. Whether you are building an Arduino prototype, configuring a microcontroller pull-up, or laying out a multi-layer board, this guide walks through identification, common circuit applications, failure modes, and a direct component [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23472,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"","_seopress_titles_desc":"Learn what a 10k resistor is, how to identify its color code, where it is used, and when 10k\u03a9 is\u2014or is not\u2014the right choice for your circuit.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[2],"tags":[],"class_list":["post-23470","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pcb-design"],"acf":[],"meta_box":[],"_links":{"self":[{"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/posts\/23470","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/comments?post=23470"}],"version-history":[{"count":0,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/posts\/23470\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/media\/23472"}],"wp:attachment":[{"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/media?parent=23470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/categories?post=23470"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lead-pcb.com\/ja\/wp-json\/wp\/v2\/tags?post=23470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}